<!DOCTYPE html>
<!--18.尚硅谷_css2.1_css hack-->
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style type="text/css">
			
			#test{
				width: 200px;
				height: 200px;
				background: pink\9\0;
			}
			
		</style>
	</head>
	<body>
		<div id="test">
			
		</div>
	</body>
</html>
